Zhvilluesit e OpenSSH vazhduan ndarjen e sshd n\u00eb disa skedar\u00eb ekzekutiv\u00eb t\u00eb ve\u00e7ant\u00eb. N\u00eb faz\u00ebn e par\u00eb t\u00eb ndarjes, e realizuar n\u00eb maj, funksionet e lidhura me trajtimin e sesioneve u transferuan n\u00eb nj\u00eb proces t\u00eb ve\u00e7ant\u00eb, sshd-session, nd\u00ebrsa n\u00eb sshd mbeti vet\u00ebm funksionaliteti i nevojsh\u00ebm p\u00ebr pranimin e lidhjeve t\u00eb reja n\u00eb rrjet dhe ekzekutimin e sshd-session p\u00ebr \u00e7do seanc\u00eb t\u00eb re. Dje, n\u00eb baz\u00ebn e kodit t\u00eb OpenSSH u b\u00eb nj\u00eb ndryshim q\u00eb shtoi nj\u00eb tjet\u00ebr proces \u2014 sshd-auth, n\u00eb t\u00eb cilin kodi q\u00eb kryen autentifikimin u transferua nga sshd-session. <\/p>\n
Procesi sshd-auth niset nga sshd-session dhe lejon izolimin e m\u00ebtejsh\u00ebm t\u00eb t\u00eb dh\u00ebnave t\u00eb lidhura me autentifikimin n\u00eb hap\u00ebsir\u00ebn adres\u00ebs s\u00eb nj\u00eb procesi t\u00eb ve\u00e7ant\u00eb, q\u00eb nuk do ta lejoj\u00eb aksesin n\u00eb k\u00ebto t\u00eb dh\u00ebna n\u00eb memorje n\u00eb rast t\u00eb sulmeve mbi kodin e p\u00ebrdorur p\u00ebr p\u00ebrpunimin e fazave t\u00eb lidhjes deri n\u00eb p\u00ebrfundimin e autentifikimit. P\u00ebrve\u00e7 k\u00ebsaj, ndryshimi paksa ul konsumimin e memorjes, pasi kodi i lidhur me autentifikimin tani \u00ebsht\u00eb i pranish\u00ebm n\u00eb memorje vet\u00ebm gjat\u00eb koh\u00ebs s\u00eb autentifikimit dhe m\u00eb pas shkarkohet pas p\u00ebrfundimit t\u00eb procesit sshd-auth. <\/p>\n
N\u00eb p\u00ebrputhje me sshd, ssh-session dhe ssh-agent, p\u00ebr procesin sshd-auth \u00ebsht\u00eb aplikuar nj\u00eb operacion i rip\u00ebrpilimit t\u00eb rast\u00ebsish\u00ebm t\u00eb skedarit ekzekutiv gjat\u00eb \u00e7do ngarkimi t\u00eb sistemit operativ. Rip\u00ebrpilimi i rast\u00ebsish\u00ebm e b\u00ebn t\u00eb papritur pozitat e funksioneve n\u00eb skedar\u00ebt ekzekutiv\u00eb dhe bibliotekat, duke e b\u00ebr\u00eb m\u00eb t\u00eb v\u00ebshtir\u00eb krijimin e eksploit\u00ebve q\u00eb p\u00ebrdorin metoda t\u00eb programimit t\u00eb orientuar n\u00eb kthim (ROP \u2014 Return-Oriented Programming). Me p\u00ebrdorimin e teknik\u00ebs ROP, sulmuesi nuk p\u00ebrpiqet t\u00eb vendos\u00eb kodin e tij n\u00eb memorie, por operon me pjes\u00ebt e gatshme t\u00eb instrukcioneve makine, q\u00eb p\u00ebrfundojn\u00eb me nj\u00eb instruktion p\u00ebr kthimin e kontrollit (zakonisht, k\u00ebto jan\u00eb p\u00ebrfundimet e funksioneve). Funksioni i eksploitit \u00ebsht\u00eb nd\u00ebrtimi i nj\u00eb zinxhiri thirrjesh t\u00eb k\u00ebtyre blloqeve (\"gadgets\") p\u00ebr t\u00eb arritur funksionalitetin e d\u00ebshiruar. \u0420\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u0447\u0438\u043a\u0438 OpenSSH \u043f\u0440\u043e\u0434\u043e\u043b\u0436\u0438\u043b\u0438 \u0440\u0430\u0437\u0434\u0435\u043b\u0435\u043d\u0438\u0435 sshd \u043d\u0430 \u043d\u0435\u0441\u043a\u043e\u043b\u044c\u043a\u043e \u043e\u0442\u0434\u0435\u043b\u044c\u043d\u044b\u0445 \u0438\u0441\u043f\u043e\u043b\u043d\u044f\u0435\u043c\u044b\u0445 \u0444\u0430\u0439\u043b\u043e\u0432. \u041d\u0430 \u0440\u0435\u0430\u043b\u0438\u0437\u043e\u0432\u0430\u043d\u043d\u043e\u043c \u0432 \u043c\u0430\u0435 \u043f\u0435\u0440\u0432\u043e\u043c \u044d\u0442\u0430\u043f\u0435 \u0440\u0430\u0437\u0434\u0435\u043b\u0435\u043d\u0438\u044f \u0438\u0437 sshd \u0432 \u043e\u0442\u0434\u0435\u043b\u044c\u043d\u044b\u0439 \u043f\u0440\u043e\u0446\u0435\u0441\u0441 sshd-session \u0431\u044b\u043b\u0438 \u0432\u044b\u043d\u0435\u0441\u0435\u043d\u044b \u0444\u0443\u043d\u043a\u0446\u0438\u0438, \u0441\u0432\u044f\u0437\u0430\u043d\u043d\u044b\u0435 \u0441 \u043e\u0431\u0440\u0430\u0431\u043e\u0442\u043a\u043e\u0439 \u0441\u0435\u0430\u043d\u0441\u043e\u0432, \u0430 \u0432 sshd \u043e\u0441\u0442\u0430\u0432\u043b\u0435\u043d\u0430 \u043b\u0438\u0448\u044c \u0444\u0443\u043d\u043a\u0446\u0438\u043e\u043d\u0430\u043b\u044c\u043d\u043e\u0441\u0442\u044c, \u043d\u0435\u043e\u0431\u0445\u043e\u0434\u0438\u043c\u0430\u044f \u0434\u043b\u044f \u043f\u0440\u0438\u0451\u043c\u0430 \u043d\u043e\u0432\u043e\u0433\u043e \u0441\u0435\u0442\u0435\u0432\u043e\u0433\u043e \u0441\u043e\u0435\u0434\u0438\u043d\u0435\u043d\u0438\u044f \u0438 \u0437\u0430\u043f\u0443\u0441\u043a\u0430 sshd-session \u0434\u043b\u044f \u043a\u0430\u0436\u0434\u043e\u0433\u043e \u043d\u043e\u0432\u043e\u0433\u043e \u0441\u0435\u0430\u043d\u0441\u0430. \u0412\u0447\u0435\u0440\u0430 \u0432 \u043a\u043e\u0434\u043e\u0432\u0443\u044e \u0431\u0430\u0437\u0443 OpenSSH \u0431\u044b\u043b\u043e […]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-120192","post","type-post","status-publish","format-standard","hentry","category-novosti-interneta"],"aioseo_notices":[],"aioseo_head":"\n\t\t\n\t\n\t\n\t\n\t\n\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\n","aioseo_head_json":{"title":"\ud83e\udd47N\u00eb OpenSSH, kodi i autentifikimit \u00ebsht\u00eb nxjerr\u00eb n\u00eb nj\u00eb proces t\u00eb ve\u00e7ant\u00eb sshd-auth | ProHoster","description":"Zhvilluesit e OpenSSH vazhduan ndarjen e sshd n\u00eb disa skedar\u00eb ekzekutiv\u00eb t\u00eb ve\u00e7ant\u00eb. N\u00eb faz\u00ebn e par\u00eb t\u00eb ndarjes, e cila u realizua n\u00eb maj, funksionet q\u00eb lidhen me p\u00ebrpunimin e seancave u transferuan n\u00eb nj\u00eb proces t\u00eb ve\u00e7ant\u00eb, sshd-session, nd\u00ebrsa n\u00eb sshd mbeti vet\u00ebm funksionaliteti i nevojsh\u00ebm p\u00ebr pranim t\u00eb nj\u00eb lidhjeje t\u00eb re n\u00eb rrjet dhe p\u00ebr t\u00eb nisur sshd-session p\u00ebr \u00e7do seanc\u00eb t\u00eb re. Dje, n\u00eb kodin baz\u00eb t\u00eb OpenSSH u","canonical_url":"https:\/\/prohoster.info\/sq\/blog\/novosti-interneta\/v-openssh-kod-autentifikaczii-vynesen-v-otdelnyj-proczess-sshd-auth","robots":"max-image-preview:large","keywords":"","webmasterTools":{"miscellaneous":""},"schema":null,"og:locale":"sq_AL","og:site_name":"ProHoster | \u041a\u0443\u043f\u0438\u0442\u044c \u043d\u0430\u0434\u0435\u0436\u043d\u044b\u0439 \u0445\u043e\u0441\u0442\u0438\u043d\u0433 \u0434\u043b\u044f \u0441\u0430\u0439\u0442\u043e\u0432 \u0441 \u0437\u0430\u0449\u0438\u0442\u043e\u0439 \u043e\u0442 DDoS, VPS VDS \u0441\u0435\u0440\u0432\u0435\u0440\u044b","og:type":"article","og:title":"\ud83e\udd47\u0412 OpenSSH \u043a\u043e\u0434 \u0430\u0443\u0442\u0435\u043d\u0442\u0438\u0444\u0438\u043a\u0430\u0446\u0438\u0438 \u0432\u044b\u043d\u0435\u0441\u0435\u043d \u0432 \u043e\u0442\u0434\u0435\u043b\u044c\u043d\u044b\u0439 \u043f\u0440\u043e\u0446\u0435\u0441\u0441 sshd-auth | 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\u0441\u0432\u044f\u0437\u0430\u043d\u043d\u044b\u0435 \u0441 \u043e\u0431\u0440\u0430\u0431\u043e\u0442\u043a\u043e\u0439 \u0441\u0435\u0430\u043d\u0441\u043e\u0432, \u0430 \u0432 sshd \u043e\u0441\u0442\u0430\u0432\u043b\u0435\u043d\u0430 \u043b\u0438\u0448\u044c \u0444\u0443\u043d\u043a\u0446\u0438\u043e\u043d\u0430\u043b\u044c\u043d\u043e\u0441\u0442\u044c, \u043d\u0435\u043e\u0431\u0445\u043e\u0434\u0438\u043c\u0430\u044f \u0434\u043b\u044f \u043f\u0440\u0438\u0451\u043c\u0430 \u043d\u043e\u0432\u043e\u0433\u043e \u0441\u0435\u0442\u0435\u0432\u043e\u0433\u043e \u0441\u043e\u0435\u0434\u0438\u043d\u0435\u043d\u0438\u044f \u0438 \u0437\u0430\u043f\u0443\u0441\u043a\u0430 sshd-session \u0434\u043b\u044f \u043a\u0430\u0436\u0434\u043e\u0433\u043e \u043d\u043e\u0432\u043e\u0433\u043e \u0441\u0435\u0430\u043d\u0441\u0430. \u0412\u0447\u0435\u0440\u0430 \u0432 \u043a\u043e\u0434\u043e\u0432\u0443\u044e \u0431\u0430\u0437\u0443 OpenSSH 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Burimi: opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"